People tend to express what matters most to them on their license plates, so for many people, the choice is obvious—identify yourself as a dog lover to anyone who sees your car. It costs extra to have a personalized license plate, but it’s clear that for many of us, it’s worth the extra expense to be able to proclaim a love for dogs to the world.

With so few letters to work with, it’s pretty incredible how many dog-related vanity plates are out there. The space limitations do little to deter people from having plates with a dog theme. Among the ones I’ve seen or been alerted to by dog-loving friends and colleagues are the following: